CHAIN imjDQE, AT BROUGHTON. 



386 



respect, the analysis made of the Broughton 

 bridge would mostly apply with equal pro- 

 propriety to any other, whether great or small ; 

 and the reason for fixing on this bridge was, 

 that it was the nearest. 



2. The figure belov^ is a representation of 

 the bridge, the road-way of which is suspended 

 from two double wrought iron cables, whose 

 links are straight round bars connected at each 

 end by three small elliptical links and two bolts ; 

 the bar and coupling being about 5 feet long. 

 The whole cable on one side, and which sustains 

 half of the bridge, is represented by abcde. 



Fig. 1. 



It is firmly fixed at the ends a and e by 

 large disks at the back of the masonry, which 

 it passes through ; and is sustained at b and D 



3 c 



